Windows 10: KB4346086 Intel microcode updates for Windows 10 v1703 - August 21

Brink · Aug 21, 2018

KB4346086: Intel microcode updates

Applies to: Windows 10, version 1703

Summary

Intel recently announced that they have completed their validations and started to release microcode for recent CPU platforms related to Spectre Variant 3a (CVE-2018-3640: "Rogue System Register Read (RSRE)"), Spectre Variant 4 (CVE-2018-3639: "Speculative Store Bypass (SSB)"), L1TF (CVE-2018-3615, CVE-2018-3620, CVE-2018-3646: "L1 Terminal Fault"). In addition to microcode updates previously released in KB4091663 to address Spectre Variant 2 (CVE 2017-5715: "Branch Target Injection"), this update also includes microcode updates from Intel for the following CPUs.

Code Name Product Collection Product Names CPUID Intel microcode update revision Skylake U23e 6th Generation Intel® Core™ Processor Family Intel® Core™ Processor I7-6560U, I7-6567U, I7-6650U, I7-6660U
Intel® Core™ Processor I5-6260U, I5-6267U, I5-6287U, I5-6360U
Intel® Core™ Processor I3-6167U 406E3 0xC6 Skylake U 6th Generation Intel® Core™ Processors Intel® Core™ Processor i7-6500U, i7-6510U, i7-6600U
Intel® Core™ Processor i5-6200U, i5-6210U, i5-6300U, i5-6310U
Intel® Core™ Processor i3-6100U, i3-6110U
Intel® Pentium® Processor 4405U, 4415U
Intel® Celeron® Processor 3855U, 3865U, 3955U, 3965U 406E3 0xC6 Skylake Y 6th Generation Intel® Core™ Processor Family Intel® Core™ Processor m7-6Y75
Intel® Core™ Processor m5-6Y54, m5-6Y57
Intel® Core™ Processor m3-6Y30
Intel® Pentium® Processor 4405Y 406E3 0xC6 Skylake H 6th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-6700HQ, i7-6770HQ, i7-6820HK,
i7-6820HQ, i7-6870HQ, i7-6920HQ, i7-6970HQ
Intel® Core™ Processor i5-6300HQ, i5-6350HQ, i5-6440HQ
Intel® Core™ Processor i3-6100H 506E3 0xC6 Skylake S 6th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-6700, i7-6700K, i7-6700T
Intel® Core™ Processor i5-6400, i5-6400T, i5-6500, i5-6500T , i5-6600, i5-6600K, i5-6600T
Intel® Core™ Processor i3-6100, i3-6100T, i3-6120, i3-6120T, i3-6300, i3-6300T, i3-6320, i3-6320T
Intel® Pentium® Processor G4400, G4400T, G4420, G4420T, G4500, G4500T, G4520, G4520T, G4540
Intel® Celeron® Processor G3900, G3900T, G3920, G3920T, G3940 506E3 0xC6 Kaby Lake U 7th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-7500U, i7-7510U, i7-7600U
Intel® Core™ Processor i5-7200U, i5-7210U, i5-7300U, i5-7500U
Intel® Core™ Processor i3-7007U, i3-7100U, i3-7110U, i3-7130U,
Intel® Pentium® Processor 4415U
Intel® Celeron® Processor 3865U, 3965U 806E9 0x8E Kaby Lake U23e 7th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-7560U, i7-7567U, i7-7660U,
Intel® Core™ Processor i5-7260U, i5-7267U, i5-7287U, i5-7360U
Intel® Core™ Processor i3-7167U 806E9 0x8E Kaby Lake Y 7th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-7Y75
Intel® Core™ Processor i5-7Y54, i5-7Y57
Intel® Core™ Processor M3-7Y30, M3-7Y30
Intel® Pentium® Processor 4410Y, 4415Y
Intel® Celeron® Processor 3965Y 806E9 0x8E Coffee Lake H (6+2) 8th Generation Intel® Core™ Processor Family Intel® Core™ Processor i9-8950HK
Intel® Core™ Processor i7-8700B, i7-8750H, i7-8850H
Intel® Core™ Processor i5-8300H, i5-8400B, i5-8400H, i5-8500B 906EA 0x96 Coffee Lake S (6+2) 8th Generation Intel® Core™ Processor Family Intel® Core™ Processor i7-8670, i7-8670T, i7-8700, i7-8700K, i7-8700T
Intel® Core™ Processor i5-8400, i5-8400T, i5-8420, i5-8420T, i5-8500 , i5-8500T, i5-8550, i5-8600, i5-8600K, i5-8600T, i5-8650, i5-8650K 906EA 0x96 Coffee Lake S (6+2) Xeon E Intel® Xeon® Processor E Family Intel® Xeon® Processor E-2176M, E-2186M 906EA 0x96 Coffee Lake S (4+2) Xeon E Intel® Xeon® Processor E Family TBD 906EA 0x96 Coffee Lake S (6+2) x/KBP 8th Generation Intel® Core™ Processor Family TBD 906EA 0x96 Coffee Lake S (4+2) 8th Generation Intel® Core™ Processor Family
Intel® Pentium® Gold Processor Series
Intel® Celeron® Processor G Series Intel® Core™ Processor i3-8000, i3-8000T, i3-8020, i3-8100, i3-8100, i3-8100T, i3-8120, i3-8300, i3-8300T, i3-8350K
Intel® Pentium® Gold G5400, G5400T, G5400T, G5420, G5420T, G5420T, G5500, G5500T, G5600
Intel® Celeron® Processor G4900, G4900T, G4920 906EB 0x8E
This update is a stand-alone update that's available through the Microsoft Update Catalog and targeted to Windows 10 Version 1703 (Creators Update). This update also includes Intel microcode updates that were already released for this operating system at the time of Release To Manufacturing (RTM).

We will offer additional microcode updates from Intel thru this article for these operating systems as they become available to Microsoft.

Please make sure that mitigation against Spectre Variant 2 is enabled by applying the update through KB4078407 or through the registry settings that are documented in the following article:

Windows Client Guidance for IT Pros to protect against speculative execution side-channel vulnerabilities

Important
Refer to the websites for Intel and your device manufacturer for their microcode recommendations before you apply this update to your device.

Known issues

Microsoft is not aware of any issues that affect this update currently.

How to obtain and install the update

Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Click to expand...

Source: https://support.microsoft.com/en-us/...rocode-updates

:)

rwb1012 · Aug 21, 2018

Intel microcode update for Windows 10 1803

I suggest you look
here for the latest info on microcode updates.

I also suggest you download InSpectre from GRC

Donny Murgatroyd · Aug 21, 2018

Intel microcode update for Windows 10 1803

I suggest you look
here for the latest info on microcode updates.

I also suggest you download InSpectre from GRC
Click to expand...

The link you provided is KB4090007 intended for Windows 10 1709, it does not work on Windows 10 1803.

Also, InSpectre displays the same results as the Powershell script, i.e. that Windows 10 1803 does not protect against Spectre.

JimWynne · Aug 21, 2018

Intel microcode update

my pc is out of Support in HP but my windows is still supported and my cpu is still supported so it's microsoft responsibility to deliver intel microcode updates as it delivered microcode updates to other chips.
Click to expand...

The microcode updates in question are developed by Intel, not Microsoft. Microsoft is just the delivery boy. Don't shoot the messenger. It's Intel that hasn't provided the update that you're looking for.

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